[Bug c/35980] The canonical type of types with may_alias attribute is incorrect

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35980

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> But starting in GCC 7, we no longer do.

that changed in r7-1272-g5545a9071573a5 .